Merge branch 'nginx-1.17.3' into 'master'

Build for 1.17.3

See merge request !5
7 jobs for master in 2 minutes and 41 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #4923
build-deb:buster

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passed #4921
build-deb:jessie

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passed #4922
build-deb:stretch

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  Test
passed #4926
test-deb:buster

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passed #4924
test-deb:jessie

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passed #4925
test-deb:stretch

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  Deploy
passed #4927
aptly

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